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Title: Cerebrospinal fluid cytology of an endolymphatic sac tumor. Author: Bynum JP, Bishop J, Ali SZ. Journal: Diagn Cytopathol; 2015 Apr; 43(4):339-42. PubMed ID: 25354959. Abstract: Endolymphatic sac tumor (ELST) is a rare neoplasm which is seldom evaluated by cytopathology. We report the clinicopathologic course and cytologic cerebrospinal fluid (CSF) findings in a 58-year-old patient with brainstem lesions who originally presented with vertigo but progressed to having left 7th, 8th, 9th, and 10th cranial nerve palsies, right-sided weakness, and occipital headaches. Cytospin of the CSF revealed large epithelioid cells similar to cells seen in a surgical resection of a brain mass three months previously. Review of the surgical specimen revealed a well-differentiated glandular and papillary neoplasm, most consistent with an endolymphatic sac tumor.[Abstract] [Full Text] [Related] [New Search]